Violation
The beaks of extract forceps 1. can lead to tooth fracture, slippage and injury to adjacent teeth if placed incorrectly. 2. should be placed at the cervical line of the tooth. 3. be pushed apically during extraction movements. 4. should fit the crown of the tooth.
All of the above.
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only